Fortress Guedelon (Long-term Documentary), France, 2008 (12)Owner Reinhard Kungel Typ Video Id RKL006458experimenttourist destinationMiddle AgesYonneFranceGuédelon CastleBourgogne-Franche-ComtéTreigny2008High Middle Agescolorcastletourist attractionexperimental archaeologylong-term experiment13th century